In addition to these general functions, some PDF Editor software supports OCR technology, digital PDF personalized signature and 256-bit encryption technology to ensure document integrity and even restrict PDF features such as copying, printing and editing.

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PDF Editor's important and necessary featuresIntegrate with Cloud: Store the documents to the online cloud space, so that you can easily access to these documents, and also allows to share and collaborate documents. Redaction: Support to erase the text or image completely in the PDF documents, and irreversible.OCR: PDF software with OCR feature support to automatically recognizes the text when you scan the documents.Compare PDF files: Compare two PDF documents, and quickly find the differences between the two. This saves your time when you’re in the process of reviewing documents.

The online FREE PDF Editor is not 100% free, for its extra features requires monthly fee

Most are all-in-one powerful PDF toolkit, Integrated PDF convert, create and edit into one program

With powerful and professional editing functions

Support PDF encryption

Support PDF digital signature

Some PDF editor software support OCR

Nice GUI, easy to use

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Product ComparisonWe made a detailed general PDF Editor products comparison, and this comparison can help you easily understand the difference between the most popular PDF Editor Apps by features, price and other details